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Low temp readings,gauge

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Category: General Correct Craft Discussion
Forum Name: Common Questions
Forum Discription: Visit here first for common questions regarding your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=29523
Printed Date: November-24-2024 at 3:13pm


Topic: Low temp readings,gauge
Posted By: Guests
Subject: Low temp readings,gauge
Date Posted: April-16-2013 at 1:41pm
I never seem to reach any higher than say 125 on raw water cooled PCM

What is your gauge reading?



Replies:
Posted By: ononewheel
Date Posted: April-16-2013 at 2:55pm
I'll bite. Not a bad photo this time.

Combine that with some oil talk, and photos and you'll get some action.

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Posted By: GlassSeeker
Date Posted: April-16-2013 at 3:07pm
try WFO

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Posted By: ononewheel
Date Posted: April-16-2013 at 3:18pm
Remove the t-stat housing, and we will better be able discuss condition, and that usually generates more heat.

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Posted By: TX Foilhead
Date Posted: April-16-2013 at 3:48pm
Maybe you left out a gasket.


Posted By: quinner
Date Posted: April-16-2013 at 3:55pm
Originally posted by TX Foilhead TX Foilhead wrote:

Maybe you left out a gasket.


Or Blew One

Either way, think it's time for you to inspect all the hoses.


Posted By: juniorwoody
Date Posted: April-16-2013 at 4:02pm
If you turn the raw water intake a few twists you will find it too hot to touch.

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The value of money spent on new adventure far exceeds the value of money saved for the future


Posted By: Guests
Date Posted: April-16-2013 at 4:38pm
What does the thermo stat housing have to do with LOW temp reading?



Posted By: Guests
Date Posted: April-16-2013 at 4:39pm
Not sure, on any of the responses...


Do you think maybe the gauge is bad? Or wiring has gone funny?


Posted By: mark c
Date Posted: April-16-2013 at 5:04pm
Because the Thermostat is inside the housing, if its stuck open, or failed open then you will never get the engine up to temp. If the engine is actually getting up to temperature, and the gauge is just reading wrong, then you may have a wiring issue between the gauge and the sender in the side of the block, or if the sender was removed, and put back in with some kind of teflon tape, or plumbers dope you may no longer have a good ground at the block, which will also make a gauge indicate low.


Posted By: GlassSeeker
Date Posted: April-16-2013 at 5:09pm
If it's only getting to 125 you may not have a T stat in there.

My comment was to run it Wide Open Throttle (aka WFO) for a while and see if that doesn't raise the temp.

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This is the life


Posted By: ononewheel
Date Posted: April-16-2013 at 5:22pm
Originally posted by eljayrx eljayrx wrote:

What does the thermo stat housing have to do with LOW temp reading?



What does a shot of your t*ts, or some t*ts have to do with your boat temp?

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If we let the professionals do everything it takes all the fun out of youtube


Posted By: ononewheel
Date Posted: April-16-2013 at 5:23pm
By the way,   that sure is a gaudy switch cover.   

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If we let the professionals do everything it takes all the fun out of youtube


Posted By: mark c
Date Posted: April-16-2013 at 5:27pm
I think we all recognize the internationla symbol for a low temperature condition.


Posted By: TRBenj
Date Posted: April-16-2013 at 5:41pm
Originally posted by eljayrx eljayrx wrote:

Do you think maybe the gauge is bad? Or wiring has gone funny?

More likely, a few loose screws.

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Posted By: Guests
Date Posted: April-16-2013 at 6:22pm
Benj - loose screws? The wiring going to the gauge itself? I will check that....


Posted By: quinner
Date Posted: April-16-2013 at 7:17pm
No question someone needs to get up in that motorbox and do some probing


Posted By: 8122pbrainard
Date Posted: April-16-2013 at 9:03pm
Originally posted by eljayrx eljayrx wrote:

Benj - loose screws? The wiring going to the gauge itself? I will check that....

Loose screws and corroded connections mean higher resistance and a low gauge reading. Get the IR gun out and shoot the temp next to the sender. If it reads higher after you have cleaned up the wiring, open the T stat housing and check what's inside.

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Posted By: Guests
Date Posted: April-16-2013 at 9:08pm
Ty--------Mr.peter will do that...



Posted By: BuffaloBFN
Date Posted: April-18-2013 at 10:32am
Originally posted by 8122pbrainard 8122pbrainard wrote:

   open the T stat housing and check what's inside.


+1

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Posted By: Guests
Date Posted: April-18-2013 at 11:06am
I guess, after checking all the wiring and screws nuts, and all that!Plus cleaning contacts...

What am I looking for inside the housing?

I know there is a thermo-stat.. But other than that,?


Posted By: forvicjr
Date Posted: April-18-2013 at 11:15am
I have the same issue, gauge reads barely over 100* with fifty degree water temps. Last year mine would get to around 125* with 70* water temps. This info is all from the gauge. I need to hit the t stat with a laser temp gun.

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“Tact is the ability to step on a man's toes without messing up the shine on his shoes.” ― Harry S. Truman


Posted By: BuffaloBFN
Date Posted: April-18-2013 at 11:16am
Originally posted by eljayrx eljayrx wrote:

What am I looking for inside the housing?

I know there is a thermo-stat.. But other than that,?


You need a starting point, and I'd say cracking the thermo cover to see if it's in there at all is a good place to start.

A replacement thremostat should come with the gasket.

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Posted By: BuffaloBFN
Date Posted: April-18-2013 at 11:20am
Originally posted by forvicjr forvicjr wrote:

I have the same issue, gauge reads barely over 100* with fifty degree water temps. Last year mine would get to around 125* with 70* water temps. This info is all from the gauge. I need to hit the t stat with a laser temp gun.


You may need to look inside as well. It's a simple operation.

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Posted By: Guests
Date Posted: April-18-2013 at 11:22am
Buffalo-- I had the impeller replaced , my brother claims to replace those every 2 seasons...So after that my readings on the temp gauge went way down?

I doubt it was because of that..

Now earlier in the season I was getting uo to say 125 to 135 maybe..

I will have it gone over, thermo housing and all that ,,

ty again...


Posted By: Guests
Date Posted: April-18-2013 at 11:23am
forvic--same thing as me...


Posted By: BuffaloBFN
Date Posted: April-18-2013 at 11:27am
The impeller is doing its job; thus the lower temps. The thermo regulates how much water goes through the engine or bypasses. It's a thermostat not unlike the one in your house.

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Posted By: BuffaloBFN
Date Posted: April-18-2013 at 11:27am
Usually 2-3 bolts and a gasket.

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Posted By: forvicjr
Date Posted: April-18-2013 at 11:41am
Originally posted by BuffaloBFN BuffaloBFN wrote:

Originally posted by forvicjr forvicjr wrote:

I have the same issue, gauge reads barely over 100* with fifty degree water temps. Last year mine would get to around 125* with 70* water temps. This info is all from the gauge. I need to hit the t stat with a laser temp gun.


You may need to look inside as well. It's a simple operation.


Buffalo, my housing came off over the winter. T stat housing is clear. Over in another thread I was trying to find a t stat. Tested mine and all is good. So t stat and housing is non issue.

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“Tact is the ability to step on a man's toes without messing up the shine on his shoes.” ― Harry S. Truman


Posted By: 8122pbrainard
Date Posted: April-18-2013 at 9:19pm
Originally posted by eljayrx eljayrx wrote:

impeller replaced , my brother claims to replace those every 2 seasons...

Lin,
Since you brother seems to be up with impellers and oil, why not have him do the maintenance?

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Posted By: forvicjr
Date Posted: April-18-2013 at 9:27pm
Peter, she might like to service her boat sometimes, instead of having to depend on someone else to service her ummm boat.


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“Tact is the ability to step on a man's toes without messing up the shine on his shoes.” ― Harry S. Truman


Posted By: Gary S
Date Posted: April-18-2013 at 9:46pm
Originally posted by forvicjr forvicjr wrote:

I have the same issue, gauge reads barely over 100* with fifty degree water temps. Last year mine would get to around 125* with 70* water temps. This info is all from the gauge.


Mine runs about the same,on shutdown rises,on restart goes right back down. I think it's just my goofy cooling system design. I have wondered if I put a 160 thermostat in place of a 140 what it would do.

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Posted By: TRBenj
Date Posted: April-18-2013 at 9:48pm
Gary, I assume the HM thermostat location is still in the same place? Where is your temp sensor? One would think that if the water temp at the thermostat has to reach 143 for it to open, that the sensor would be reading that temperature if it were mounted in the same vicinity. I wonder if your stat is faulty and opening early?

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Posted By: JDD33
Date Posted: April-19-2013 at 1:23am
Interesting, my engine with the HM cooling system is doing the same thing. Last summer I replaced the t-stat and it ran at 140 consistently, then late last fall on the lake it wouldn't crack 100. This spring running on the hose it again wouldn't warm up to 140, I pulled the t-stat and checked it and it opened right at 140 ish, I checked the gauge and sending unit and with applied heat and it read correct. Can the single pump(witha new impeller ) push enuf water to make the engine run cool?

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Posted By: Gary S
Date Posted: April-19-2013 at 2:15am
Tim everything is in standard Ford locations.The temp does go a little higher if the water your in is higher. I have always wondered why HM eventually added a standard circulating pump,was it to even out the temps? I think this summer I'll check the 'stat and if it checks out ok I might just try a 160. Just looking in my parts book a 140 is listed but does not say what year or engine.The actual pages for my pump set up just says thermostat. A 160 is for '71 and up FW cooled and heat exchanger models,these models having the circulation pump too.

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Posted By: Guests
Date Posted: April-19-2013 at 12:17pm
Mr.peter. I like to learn about the horse ,I ride on!Plus he is too busy at time chasing down the bad guys of this world we live in!


Posted By: Guests
Date Posted: April-19-2013 at 12:18pm
You are correct! forvic...


Posted By: MI-nick
Date Posted: April-19-2013 at 3:52pm
this may be way off...but i think if you are running with cold water (say 40 or 50 degrees), the thermostat could be OK and temp could still be lower than normal (120 ish). when the t-stat is closed, water still circulates through the exhaust manifolds...which are bolted to the heads and then block. the manifolds stay pretty cold (~60)so the heat from the block will be transferred quickly to the manifolds and the engine would take a really long time or potentially never warm up. since it's an open cooling system, the t-stat can only do so much when the water is really cold. anybody buying this??
the first couple times out this year in my SAN, the temp was 130ish...160ish last summer...the water temp was probably 45...i think the t-stat is fine.

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As far as I can tell, I'm not quite sure...


Posted By: TX Foilhead
Date Posted: April-19-2013 at 6:32pm
The way PCM sets up the thermostat the water can move though the engine and get out with the thermostat closed. The extra cool water may keep it from needing to open, the heater and extra lines for the vdrive could be regulating it to some degree too.

I was listening to the hot rod builders the other day talk about motor plumbing and they were concerned with getting the the forced induction BBC's to warm up enough on the winter. Probably has something to do with the cool water moving faster because of the speeds those boats run. One of the tricks was to cool the exhaust first and then the motor. Unfortunately not an option for us the way our risers are set up.


Posted By: TRBenj
Date Posted: April-19-2013 at 6:45pm
Are you sure about water bypassing the thermostat? That doesnt sound right to me. Last time I had a PCM Ford thermostat housing apart, I thought I remember that bypass hole existing on the inlet, not the outlet. That would allow the block to fill up regardless of thermostat being open/closed, rather than what you describe.

Chrysler marine engines were set up similar to how the go-fast guys would like. They had dual impeller RWP's, where one path is set up to pull (cold) lakewater and put it through the manifolds- the other impeller pulls warm water from the exhaust manifolds and puts it through the engine. Sort of disconcerting to have one half of the RWP always running warm/hot (same goes for the t'stat housing) but thats exactly what they were meant to do.

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Posted By: TX Foilhead
Date Posted: April-19-2013 at 7:01pm
I look when I get home, but that's what I though that hole was there for.


Posted By: Guests
Date Posted: April-19-2013 at 7:21pm
pmc incorporates a DUAl by-pass system.. Full circulation through out the ENTIRE engine even when warming up.

When the water in the BLOCK warms up enough, then thermo will open or should open..

See guys, I am learning.. This was my pre winter class last year...That is why you drain the block,, because you never know how much water to anti-freeze mixure is in the block...ha ha !


Posted By: Hollywood
Date Posted: April-19-2013 at 7:25pm
Kinda one in the same, but Tim's a little more correct. The "by pass" you are speaking of is really just the supply from the RWP. Once the block is full it's full. Besides some convection most of the raw water is going up over the t-stat and out the exhaust.

http://s134.photobucket.com/user/kfleisch/media/Correct%20Craft/IMG_1645.jpg.html" rel="nofollow">
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And Nick, I boat a lot in really cold water. Once that t-stat finally opens the temp drops drastically then takes a little while to catch back up to ~160 but always does (if doing more than just idling).

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Posted By: MI-nick
Date Posted: April-19-2013 at 7:57pm
it's entirely possible that i'm full of it...i'll see how the temp responds as the season progresses...

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As far as I can tell, I'm not quite sure...


Posted By: TX Foilhead
Date Posted: April-19-2013 at 9:04pm
I just looked at mine, and realized the hole was not where I thought. I do remember spending some time thinking about how that worked while I was taking it apart, but I can't picture exactly how the hoses were with it off right now.

My temp does move around some, but not as much as you would expect considering the water changes nearly 50 degrees. We get down to the mid 40's and I've seen it up to the mid 90's in August, the motor temp only varies by 20 degrees.


Posted By: 8122pbrainard
Date Posted: April-19-2013 at 10:50pm
Originally posted by eljayrx eljayrx wrote:

pmc incorporates a DUAl by-pass system.. Full circulation through out the ENTIRE engine even when warming up.

When the water in the BLOCK warms up enough, then thermo will open or should open..

See guys, I am learning.. This was my pre winter class last year...That is why you drain the block,, because you never know how much water to anti-freeze mixure is in the block...ha ha !

I'm sorry but I feel you are WRONG!!! Until the T stat opens, no water goes through the block. It's ALL by passed to the manifolds.

BTW Lin, please fill us in on your background. You seem to be more informed than the average male here!

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Posted By: forvicjr
Date Posted: April-20-2013 at 2:12am
I feel that the t stat will begin opening before the the 145* mark, 145* would be a full open temp. This would explain the low temps we're seeing. My gauge is on the money as I verified with a laser temp gun. If the t stat partially opens at lower temps this would in fact be a bypass type situation. I do know last year the hotter the lake temps got the hotter the motor got. Mine would even show a difference between hot mid day and night runs. Last year during the hottest days and me hauling a$$ to get five miles up the lake it would barely hit 140* and as soon as I come off plane it would barely read over 100*. What we are seeing I think is very efficient cooling systems. Those that are running higher might have rust scale impellor debre or what not making them run warmer.

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“Tact is the ability to step on a man's toes without messing up the shine on his shoes.” ― Harry S. Truman


Posted By: GlassSeeker
Date Posted: April-20-2013 at 2:32am
Its easy to pop it in a pot and watch it open and know exactly what it's doing or not doing and at exactly what temps it does it.

Motors running that cold are not running efficiently.

The thermostat is there to warm the engine up. and to keep it running at the optimum operating temperature(Not too cold)

Anytime the cooling lowers the temp below the t-stat temp it CLOSES to warm up the engine.

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Posted By: Guests
Date Posted: April-20-2013 at 10:06am
Mr. Peter "

You are harder than my 11 grade Science teacher.. His Name was Mr.Ball.

I use to call him to myself of course. Mr.Ball-Buster. So did my other brothers too.

Since I do not have any of those. I kept the tradition alive ..

The correct craft book says full circulation through-out the entire engine. Now maybe ,the wording is not exact, in the book as to what really takes place.

I guess the mail water pump circulates the water in the block even though the thermo has not opened..? {hence the wording CIRCULATION}?

I still like you,very much though-You are very helpful for sure..

Just a country girl, that likes to learn things.I can hunt deer,skin a a snake, and catch frogs, frog legs are good, Ever have them?

Also a very good shot with a rifle. Pitty the person that ever breaks in my house..Or tries too.


Posted By: Guests
Date Posted: April-20-2013 at 10:52am
Is your Gun loaded..?


Posted By: Air206
Date Posted: April-20-2013 at 11:33am
Are those your "Huntin' Nylons"?

Doh!.......

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Posted By: forvicjr
Date Posted: April-20-2013 at 12:22pm
Originally posted by GlassSeeker GlassSeeker wrote:

Its easy to pop it in a pot and watch it open and know exactly what it's doing or not doing and at exactly what temps it does it.

Motors running that cold are not running efficiently.

The thermostat is there to warm the engine up. and to keep it running at the optimum operating temperature(Not too cold)

Anytime the cooling lowers the temp below the t-stat temp it CLOSES to warm up the engine.


I'll check mine as soon as I get a chance I'll let you guys know what I find. Also optimum temps for these engines is 180* any less is more wear and less power, any more wear rate goes back up and power starts to drop. Wonder why the hell pcm chose the 145* temp?

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“Tact is the ability to step on a man's toes without messing up the shine on his shoes.” ― Harry S. Truman


Posted By: Guests
Date Posted: April-20-2013 at 1:04pm
Air.....Only in warm weather conditions...

with a pair of cut off jeans.. Seems to have a nice contrast ,that look..



Posted By: GlassSeeker
Date Posted: April-20-2013 at 1:56pm
Nice Savage 99 w/Octagon barrel, flip up peep site.

Frog legs...taste like amphibious chicken...I hated frog gigging...when we used a hachet to whack their legs off...they don't die...they crawl around legless ...no more frogging for me.

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This is the life


Posted By: 8122pbrainard
Date Posted: April-20-2013 at 9:37pm
Originally posted by eljayrx eljayrx wrote:

Mr. Peter "

You are harder than my 11 grade Science teacher.. His Name was Mr.Ball.

Mr.Ball-Buster.

Ask your brother(s) if you don't understand. Sorry!

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Posted By: Guests
Date Posted: April-21-2013 at 11:30am


Posted By: Guests
Date Posted: April-21-2013 at 11:35am
Mr. Peter ,I do understand, it!

When the block warms up enough, The thermo opens to allow the cooler water to flow into the block and have the hotter water exit the block.

Like I said- maybe the wording in the book,could be mis-understood?

There is no need to file for a divorce. Small things like this can be worked out..


Posted By: juniorwoody
Date Posted: April-21-2013 at 12:12pm
Did Mr. Peter meet his match? Seems possible!

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The value of money spent on new adventure far exceeds the value of money saved for the future


Posted By: Hollywood
Date Posted: April-21-2013 at 1:35pm
Originally posted by eljayrx eljayrx wrote:

When the block warms up enough, The thermo opens to allow the cooler water to flow into the block and have the hotter water exit the block.


No, you do not understand. Cold water is always trying to get it. It will fill an empty block. Once it's full, this water is trapped in the block until the thermostat opens. Once this happens the hot water exits, new cold water can go in. The thermostat is the back door out of the engine. The front door is always open, just sometimes the block is at max capacity and raw water gets turned away (by pass).

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Posted By: TRBenj
Date Posted: April-21-2013 at 1:59pm
One should always remember that water flows from the bottom up... Block fills, then heads, then intake. Thermostat housing is at the exit (intake). The entrance to the block is via the circ pump.

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Posted By: Guests
Date Posted: April-21-2013 at 2:04pm
Mr.hollywood..

So when you come in from say a ski run, Turn motor off. Is not water in the Block? So ,After cooling down say 3 hrs, The thermo stat is closed.. Correct?

So when you fire it back up the thermo stat will remain close until it reaches the proper temp to open..

Is there not water in the BLOCK--After the motor has been shut off?

I think I do understand..


Posted By: TRBenj
Date Posted: April-21-2013 at 2:11pm
Originally posted by eljayrx eljayrx wrote:

Mr.hollywood..

So when you come in from say a ski run, Turn motor off. Is not water in the Block? So ,After cooling down say 3 hrs, The thermo stat is closed.. Correct?

So when you fire it back up the thermo stat will remain close until it reaches the proper temp to open..

Is there not water in the BLOCK--After the motor has been shut off?


That is correct but is neither here nor there. HW is correct, and I suspect you still don't quite understand. Read his post again.

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Posted By: Guests
Date Posted: April-21-2013 at 2:36pm
Mr TrBenj.

I said pretty much the same thing as Hollywood said!

Maybe some does get in to fill the block, say firing it back up the next morning..

How much who knows. BUT the Thermo stat will stay closed until operating temp is reached.. Then there will be FULL FLOW block and all after that.

Prior to the thermo opening ,, The flow of fresh water only circulates to other areas and then out the exhaust..NONE TOO THE BLOCK!

Is this not the main reason to drain block for winterizing?

because for the most part the anti-freeze being sucked in may just by-pass the block and out the exhaust? Leaving water and no anti-freeze getting into the block..



Posted By: 8122pbrainard
Date Posted: April-21-2013 at 2:39pm
Originally posted by Hollywood Hollywood wrote:

the back door The front door is always open,

Lin,
The back door and front door are key terms when it comes down to cooling as well as heating.

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Posted By: 8122pbrainard
Date Posted: April-21-2013 at 2:44pm
Originally posted by eljayrx eljayrx wrote:

Mr TrBenj.

because for the most part the anti-freeze being sucked in may just by-pass the block and out the exhaust? Leaving water and no anti-freeze getting into the block..


No, you haven't been reading enough of the winterizing threads. Tim just mentioned that the block fills from the bottom. This is true. Air escapes the top via a small air bleed hole in the T stat.

BTW, the hard core here do not believe in sucking antifreeze. You pour it in. That's even the method your manual tells you. I thought you had the manual that the PO gave you???

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Posted By: Guests
Date Posted: April-21-2013 at 2:59pm
Mr.Peter

ONE QUESTION---------------- is not the block full with water after you shut it down? Yes or No? After this I have another question.. ty


Posted By: LaurelLakeSkier
Date Posted: April-21-2013 at 3:17pm
Yes the block stays filled with water after shutting the engine down.

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The world is full of youth—what we need is a fountain of smart!


Posted By: Guests
Date Posted: April-21-2013 at 3:36pm
Ty------Lake skier... Now that being said,, The only circulation for the MOST part of freshwater cooling is that 95 percent is not going in to the block,, How could it? If the thermo is closed.. Correct?

So when the thermo opens hot water escapes and then fresh cooler water replaces it ,,

FULL CIRCIRCULAION is then in play-

for some reason some boys on here say I do not understand how the flow takes place...


Posted By: TRBenj
Date Posted: April-21-2013 at 4:30pm
Your most recent post is correct, so you may have grasped it now... You understand now that the following statement is wrong, yes?

Originally posted by eljayrx eljayrx wrote:

pmc incorporates a DUAl by-pass system.. Full circulation through out the ENTIRE engine even when warming up.


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Posted By: mark c
Date Posted: April-21-2013 at 4:39pm
Water is always circulated in the block (at least on a BBC), thats what the water pump on the front of the engine does, There is a bypass hose under the thermostat housing that lets the warmer water out of the block and back into the water pump. Its not 100% or maybe even 50% of full circulation, but it does prevent hot spots from forming inside the engine. The raw water pump discharge can not get into the engine, becasue the thermostat is closed, blocking flow into the block. Once the thermostat starts to open and begins to discharge the hot water from the intake into the exhaust manifolds, new colder water from the RWP is sucked into the block water pump (not the raw water pump - that has full flow going all the time, most of it bypassing the engine) and pushed into the block. Then a balancing act begins with the thermostat opening and closing to maintain whatever its setpoint is (143F or 160F), and as it modulates it allows more (or less) cold lake water into the block.


Posted By: 8122pbrainard
Date Posted: April-21-2013 at 5:23pm
Originally posted by mark c mark c wrote:

thats what the water pump on the front of the engine does,

What happens with engines with only a RWP and not the automotive circulation pump?

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<


Posted By: mark c
Date Posted: April-21-2013 at 6:05pm
Don't have one of those, so I don't worry about it. One would assume there is some kind of minimum flow orifice that allows some minor flow of cold water thru the engine at all times.


Posted By: Guests
Date Posted: April-21-2013 at 6:45pm
trbenj-- If the statement is wrong then do not blame me.. That is what the CC-book is reading...

Almost word for word..

Dual bypass system-- Full circulation through -out the engine -Even during warming up ..

Now maybe having the word Dual was the concern?


Posted By: Guests
Date Posted: April-21-2013 at 6:56pm
Mr. Peter.. I you trying to Hint to me that you might be a BACK_DOOR MAN? Regarding your comment to me?

back door and front door are KEy terms? I see nothing like that in the CC, Book at all!



Posted By: 8122pbrainard
Date Posted: April-21-2013 at 8:58pm
Originally posted by 8122pbrainard 8122pbrainard wrote:

Originally posted by mark c mark c wrote:

thats what the water pump on the front of the engine does,

What happens with engines with only a RWP and not the automotive circulation pump?

Originally posted by mark c mark c wrote:

Don't have one of those, so I don't worry about it. One would assume there is some kind of minimum flow orifice that allows some minor flow of cold water thru the engine at all times.

Mark,
You may not "worry about it" but some of the members here do have cooling systems with only the RWP so, your comment may be confusing to some. RWP set ups were very common before the marinizers realized they could save some money. Instead of tooling up for a block off plate where the standard circulating pump fits, they started just purchasing the block with the circulating pump. There isn't a orifice on RWP only cooling systems. They simply use a T stat to direct water to the block or by pass it out via the exhaust manifolds just as systems with circulating pumps do. Since you are an engineer, I hope you can comprehend the concept. A fixed orifice with the wide RPM range of the typical engine would be pretty tricky. Pick an orifice size and calculate the CV value at different PSI's and GPM's!! You will be amazed at what the figures come out to!! Don't forget a rubber impeller pump does have a max head.

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64 X55 Dunphy

Keep it original, Pete
<


Posted By: mark c
Date Posted: April-22-2013 at 1:35am
Hence my disclaimer (at least on a BBC) in my statement above. BBC is a big block chevy for those who don't follow all the acronyms used.


Posted By: Hollywood
Date Posted: April-22-2013 at 1:01pm
Linda, give up already. Yes, there is circulation but clearly you don't understand what is circulating. I just don't think it's within your grasp.

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Posted By: Guests
Date Posted: April-22-2013 at 3:10pm
Hollywood.. While Mr. peter, seems to be the Back-Door man! Are hinting to me that you are all front DOOR?

I think I might have a GRASP on this matter though..



Posted By: Hollywood
Date Posted: April-22-2013 at 3:19pm
Any door in a storm

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Posted By: Guests
Date Posted: April-22-2013 at 3:27pm
Hollywood. much respect for your response..You have come clean!

Now, Mr.peter just needs to come out of the closet and come clean, If he enjoys the Back door,then so be it.I am sure with 20 -50 VR1, he would be well prepared to tackle any Back-Door situation!

Not to mention is does have a nice amount Of ZDDP in as well well.

His flat tappet would do no Harm or be harmed...


Posted By: forvicjr
Date Posted: April-22-2013 at 3:29pm
O lord, lmao! .....

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“Tact is the ability to step on a man's toes without messing up the shine on his shoes.” ― Harry S. Truman


Posted By: Air206
Date Posted: April-22-2013 at 3:38pm
Are we on Wakeworld.com?    

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http://tinyurl.com/9urzgls" rel="nofollow - 91 Barefoot
78 SkiTiq


Posted By: skutsch
Date Posted: April-22-2013 at 4:46pm
+1 Steve!   

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Our http://www.correctcraftfan.com/diaries/details.asp?ID=4669" rel="nofollow - 98 Sport Nautique
My Dad's 63 Ski N


Posted By: Hollywood
Date Posted: April-22-2013 at 5:02pm
What the hell are either of you doing on Wakeworld?

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Posted By: Air206
Date Posted: April-22-2013 at 5:10pm
What the Heck are we doing here - on this post? WackY.........

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https://tinyurl.com/y6t5e3bu" rel="nofollow - 04 Air206
http://tinyurl.com/9urzgls" rel="nofollow - 91 Barefoot
78 SkiTiq


Posted By: Air206
Date Posted: April-22-2013 at 5:11pm
BTW - I only got on Wakeworld once my Mom set up my account for me......

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http://tinyurl.com/9urzgls" rel="nofollow - 91 Barefoot
78 SkiTiq


Posted By: GlassSeeker
Date Posted: April-22-2013 at 5:19pm
I got 86'd from WW 3 times...LOL

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This is the life


Posted By: Swatkinz
Date Posted: April-22-2013 at 5:57pm
This has been more interesting than anything ive ever seen on WW. Perhaps a good 79nautique rant would be the only thing that could top this? Perhaps

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Steve
2011 Sport/Air 200
Excalibur 343
2017 Boatmate Tandem Axle Trailer

Former CC owner (77, 80, 95, 88, all SNs)

Former Malibu owner (07, 09)


Posted By: skutsch
Date Posted: April-22-2013 at 6:01pm
Originally posted by Hollywood Hollywood wrote:

What the hell are either of you doing on Wakeworld?


LOL!!!   I ended up there once searching for boards for the kids, couldn't leave fast enough...

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Our http://www.correctcraftfan.com/diaries/details.asp?ID=4669" rel="nofollow - 98 Sport Nautique
My Dad's 63 Ski N


Posted By: Air206
Date Posted: April-22-2013 at 6:18pm
Originally posted by Swatkinz Swatkinz wrote:

This has been more interesting than anything ive ever seen on WW. Perhaps a good 79nautique rant would be the only thing that could top this? Perhaps


Bueller......?

Bueller.............?



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78 SkiTiq


Posted By: quinner
Date Posted: April-22-2013 at 6:32pm
Think she just needs to get the full frontal nudity shot posted up and get it over with, that might get mr. peter and his buddy d*ck going.

Do you think the brother servicing the boat is also the photographer, lol? Oh no wait, she's not from the south, doh!!


Posted By: GlassSeeker
Date Posted: April-22-2013 at 6:37pm
Where ever the Savage 99 came from there are more nice guns so I'd like to see the whole gun show. I like the contrast of the guns and hose.

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This is the life


Posted By: skutsch
Date Posted: April-22-2013 at 6:46pm
Originally posted by GlassSeeker GlassSeeker wrote:

Where ever the Savage 99 came from there are more nice guns so I'd like to see the whole gun show. I like the contrast of the guns and hose.


Hose - isn't that part of the cooling system too???

The Savage is nice, but I'd be impressed a lot more with something chambered in 45-70, say an original High wall, now that would be impressive...

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Our http://www.correctcraftfan.com/diaries/details.asp?ID=4669" rel="nofollow - 98 Sport Nautique
My Dad's 63 Ski N


Posted By: 8122pbrainard
Date Posted: April-22-2013 at 7:24pm
Originally posted by Swatkinz Swatkinz wrote:

Perhaps a good 79nautique rant

Yes, I'll have to PM Chris and have him get in touch with Lin!!

BTW Lin, there is talk off site between members that you are not what you have been "advertising" yourself as !!! ???

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<


Posted By: juniorwoody
Date Posted: April-22-2013 at 8:56pm
You think the boobs are fake Pete?

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The value of money spent on new adventure far exceeds the value of money saved for the future


Posted By: GlassSeeker
Date Posted: April-22-2013 at 9:13pm
Nice over and under



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This is the life


Posted By: Air206
Date Posted: April-22-2013 at 9:30pm
Andy!

+1   

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http://tinyurl.com/9urzgls" rel="nofollow - 91 Barefoot
78 SkiTiq


Posted By: bhectus
Date Posted: April-22-2013 at 10:34pm
I'll take "under" for $1000 Alex! And make it a true daily double....

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'02 Ski Nautique 196 w/ 5.7 Apex bowtie - Sold
'87 Barefoot - sold
'97 Super Sport Nautique - originally custom built for Walt Meloon
'97 Ski Nautique
'83 SN 2001


Posted By: Guests
Date Posted: April-22-2013 at 10:47pm
Originally posted by 8122pbrainard 8122pbrainard wrote:

Originally posted by Swatkinz Swatkinz wrote:

Perhaps a good 79nautique rant

Yes, I'll have to PM Chris and have him get in touch with Lin!!

BTW Lin, there is talk off site between members that you are not what you have been "advertising" yourself as !!! ???
There will always be talk ..You showed me that by leaving me standing in the dark about oil and cooling!No action no follow up- just slicing my friend rat to small pcs.. You even called him Rat hole! Yet you failed to show your test results with amount of oil he tested.. Talk is cheap, But the RAT put up! You SHUT DOWN!


Posted By: phatsat67
Date Posted: April-23-2013 at 12:15pm
Thats what I think about when I think about shot guns.

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